We make various kinds of collectors as per customer's drawing and samples.
Our commutator is widely applied the different industrials.
1)    The Commutators for power tools: electro motors, grinding machines, drilling machines, hammers, electrical planer ect.
2)    Commutators for household appliances: air conditioning, or other household appliances.
3)    Commutators for automotive industry: windscreen wipers, fan window lifts, ABS baking systems, etc.
 
Technical parameter
1.    Free form bubble more than 1mm and cracks in molded resin surface
2.    Voltage test:  1)Room temperature: between shaft hole and commutator segment >150MΩ
2) Heating: 140ºC within 1 h, between shaft hole and commutator segment >100MΩ
3. I.D. Precision of commutator: With bush: H7/ Without bush: H8
4. Spin test: under 180±2ºC,3000rpm, 3mins, the max change in OD is 0.01mm and the mas deviation between bar to bar is 0.003.
5. Insulation resistance: the insulation resistance is greater than 50MΩ under 500V.
 
Technical specification:

 
Information needed for collectors inquiry:
It will be better if customer could send us detailed drawing including below information.
1. collectors dimension: OD, ID, total height, and copper height, bar number.
2. collectors type: hook type, raiser type or planner
3. Copper material: Agcu/ Cu
4. collectors applications
5. Required quantity
6. Copper bush needed or not
7. Other technical requirement. 

Mechanical raiser tyoe collector for power tools